Sigma has made some nice lenses recently, and as canon prices sky rocketted, sigma lenses have been more appealing. they have had now 3 iterations of 120-300 2.8 OS. If they could only come with a new 120-400 lens, which is as good as the current canon optically, and with better OS (which their 120-400 already has) and reliable autofocus and tracking, that would be awesome.

In the ultrawides, samyang has the 14 2.8, which is already optically fantastic, and the new 24 TSE, which is hopefully good. I think an affordable and excellent prime in 17-21mm range.